Patent details
EP3981759 Title: NEW CRYSTAL FORM OF TREPROSTINIL SODIUM SALT AND PREPARATION METHOD THEREFOR
Basic Information
- Publication number:
- EP3981759
- PCT Application Number:
- CN2020091218
- Type:
- European Patent Granted for LU
- Legal Status:
- In force
- Application number:
- EP208101303
- PCT Publication Number:
- WO2020233588
- First applicant's nationality:
- Translation Language:
- EPO Publication Language:
- English
- English Title of Invention:
- NEW CRYSTAL FORM OF TREPROSTINIL SODIUM SALT AND PREPARATION METHOD THEREFOR
- French Title of Invention:
- NOUVELLE FORME CRISTALLINE D'UN SEL DE TRÉPROSTINIL SODIQUE ET SON PROCÉDÉ DE PRÉPARATION
- German Title of Invention:
- NEUE KRISTALLFORM VON TREPROSTINIL-NATRIUMSALZ UND VERFAHREN ZU IHRER HERSTELLUNG
- SPC Number:
Dates
- Filing date:
- 20/05/2020
- Grant date:
- 08/04/2026
- EP Publication Date:
- 13/04/2022
- PCT Publication Date:
- 26/11/2020
- Claims Translation Received Date:
- Translations Received Date (B1 EP Publication):
- Translations Received Date (B2 EP Publication):
- Translations Received Date (B3 EP Publication):
- Publication date:
- 08/04/2026
- EP B1 Publication Date:
- 08/04/2026
- EP B2 Publication Date:
- EP B3 Publication Date:
- Lapsed date:
- Expiration date:
- 20/05/2040
- Renunciation date:
- Revocation date:
- Annulment date:
Owner
- From:
- 01/04/2026
- Name:
- Shanghai Forefront Pharmaceutical Co., Ltd.
- Address:
- 1st Floor, West Wing, Building 7, 249 Faladi Road Pilot Free Trade Zone, Pudong New Area, Shanghai 201203, China (CN)
Inventor
1
- Name:
- LI, Wei
- Address:
- China (CN)
2
- Name:
- REN, Yi
- Address:
- China (CN)
Priority
1
- Priority Number:
- 201910425686
- Priority Date:
- 21/05/2019
- Priority Country:
- China (CN)
2
- Priority Number:
- 201910899910
- Priority Date:
- 23/09/2019
- Priority Country:
- China (CN)
Classification
- IPC classification:
- C07C 51/43; C07C 59/72; A61K 31/192; A61P 9/12; A61P 11/00; A61P 11/06; A61P 9/10; A61P 9/04; A61P 7/02; A61P 27/02; A61P 9/00;
Publication
European Patent Bulletin
- Issue number:
- 202615
- Publication date:
- 08/04/2026
- Description:
- Grant (B1)
Annual Fees
- Annual Fee Due Date:
- 08/06/2026
- Annual Fee Number:
- 7
- Annual Fee Amount:
- 82 Euro
- Expected Payer:
- Last Annual Fee Payment Date:
- Last Annual Fee Paid Number:
- Payer:
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